<?php

declare(strict_types=1);
/**
 * This file is part of Hyperf.
 *
 * @link     https://www.hyperf.io
 * @document https://hyperf.wiki
 * @contact  group@hyperf.io
 * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
 */
namespace App\Service;

use App\Constants\ErrorCode;
use App\Exception\BusinessException;
use App\Model\Reply;
use App\Service\Dao\AnswerDao;
use App\Service\Dao\ReplyDao;
use App\Service\Dao\UserDao;
use Hyperf\Di\Annotation\Inject;
use HyperfX\Utils\Service;

class ReplyService extends Service
{
    /**
     * @Inject
     * @var ReplyDao
     */
    protected $dao;

    public function index(int $answerId, int $offset, int $limit)
    {
        return $this->dao->find($answerId, $offset, $limit);
    }

    /**
     * @param $input = [
     *     'answer_id' => 0, // 回答ID
     *     'summary' => '', // 评论
     * ]
     */
    public function publish(int $id, int $userId, array $input)
    {
        $answer = di()->get(AnswerDao::class)->firstCache($input['answer_id'], true);
        $user = di()->get(UserDao::class)->firstCache($userId, true);
        if ($id > 0) {
            $model = $this->dao->firstCache($id, true);
            if ($model->user_id !== $user->id) {
                throw new BusinessException(ErrorCode::OPERATION_INVALID);
            }
        } else {
            $model = new Reply();
            $model->user_id = $userId;
            $model->answer_id = $answer->id;
            $model->question_id = $answer->question_id;
        }

        $model->summary = $input['summary'];
        $model->save();

        return $model;
    }
}
